Improvement in stockinet-seaming machines



2 Sheets-Sheet 1.

J. A. FARR. Stockinet Seaming Machine;

No. 213,298. Patented Mar. 18, 1879.

NFETERS, P HDTDJJTHOGRAFHER wASmNGToN. D c,

2 Sheets-Sheet 2.

I J. A. FARR. I Stockinet Seam-i ng Machine.

No. 213.298. Pa'tent ed' Mar. 18, 1879.

NFEIERS, PHCTO-LITNOGRLFHER. WASHINGTON D C.

UNITED STATES PATENT Darren JAMES A. FARR, OF BRITAIN, CONNECTICUT.

IMPROVEMENT IN STOCKlNET-SEAMING MACHINES.

Specification forming part of Letters Patent No. 213,298, dated March 18, 1879 application filed July 29, 1878.

To all whom it may concern Be it known that I, JAMES PARR, of New Britain, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements Pertaining to a Stockinet-Seamin g Machine, of which the following is a specification, reference being had to the accompanying drawings, where Figure 1 is a plan or top view of that part of the machine which bears myimprovements. Fig. 2 is an end view, from end A, with the blower removed. Fig. 3 is a view on the line 00 :0, Fig. 2, looking rearward, with the blower removed.

This invention consists in the combinations of mechanisms hereinafter specified and claimed for effecting the several operations of, first, cuttingor dressing the edges of the fabric; second, picking loose the portions out from the fabric; and. third, finally removing such portions from the machine.

Neither the rotary disk, equipped with the fringe of needles, nor the sewing-machine attachment, is of my invention.

- The letter (1 denotes the rotary disk, and b the fringe of needles. 0 denotes a shear-blade, having an intermittent rotary movement upon and with the shaft d, imparted by the pawl e, pivoted to the vibrating arm f, which is in one piec? with the slotted arm g, pivoted on shaftpm L.

The pin 1', on face of disk j, projects into slot in arm g, and, as disk j rotates, gives this arm, and consequently arm f, vibration, which gives pawl e a back-and-forth motion, and the pawl, acting upon ratchet It, gives the shear-blade its intermittent rotary movement.

The letter k denotes a vertically-adjustable ledger-blade, against which the blade 0 cuts:

The letters Z Z denote picker-fingers fast on shaft on, and the letters a n denote correspondin g picker-fingers fast on corresponding shaft 0. These two shafts m and o are hung in the frame which is fast on armf, and has thereby a reciprocating motion in a vertical plane, which causes the picker-fingers to advance to, and then retreat from, the needles b. As these picker-fingers advance to the needles they close together, and as they retreat therefrom -ments I have described.

they open; and Iwill now describe the means whereby such movements are efiected, selecting for this purpose, in the first instance, the shaft 0. On the rear end of this shaft is the right-an gular arm 1', made to bear bythe spring 8 against the side of the cam-disk j, one half of which is raised from the other half, which shape gives the arm 1', and consequently the shaft 0, a rotary vibration, and consequently giving the picker-fingers it bears the move- The corresponding movement of shaft on and its picker-fingers is given by the pin 1!, fast on arm a and running throughthe elbowm on the rear end of shaft m.

The loops of the, stockinet rise'in a double row above the needles b, and in some kinds of seaming it is requisite to separate the two by a short space or interval. This is doneby the separating-finger c, hnn g obliquely on central shaft-pin w, its motion given by the elbow 0 on the front end of shaft 0, and the. returnspring y, acting on pin 3 The'letter 2 denotes a rotary blower, with pipe z, leading to the picker-fingers, the blast from which blows away the fiber and other loose stuff which these fingers pick from the stockinet.

With regard to the shearing device, I have to say that rotary cutters or shears vibrating in the common manner will answer the purpose, and I consider them equivalents.

The operation of these parts is as follows: The stockinet is impaled on the needles b ahead of the shearing device, and is carried by the disk under the operation of the shear, which cuts off such part of the stockinet as projects above the needles. The picker-fingers then descend, and as they descend close and seize such loose fiber as is left in the stockinet above the needles. The fingers now rise, and as they rise open, and the blast from the blower blows away such removed fiber and loose stud, leavin g the stockinet in a clean condition for the operation of the sewingmachine attachment.

I claim as my invention 1. The combination of the intermittentlyrotated shear-blade c and the ledgerblade k with the needle-fringed disk to, substantially as and for the purpose described.

2. The picker-fingers l n, in combination disk a, cutting mechanism for dressing the with the needle-fringed disk a, the Vibrating edges of the fabric, and picking mechanism shafts, upon which the fingers are secured, a for loosening the cut portions, substantially as reciprocating frame carrying said shafts, and and for the purpose described.

mechanism for operating said shafts and JAMES A. FARR. frame, substantially as and for the purpose Witnesses: described. F. H. CHURCHILL,

3. The combination of a blower, z, with DANIEL J. SAVIN. 

